SPL Transient Designer

Indispensible Transient Tool Now a Plugin


The Transient Designer plugin from SPL is based on their original analog processor — one of the most innovative concepts in pro audio over the past 2 decades. A modern studio classic depended on by audio professionals around the world.

Only two controls are needed to completely reshape the attack and sustain characteristics of a sound: Attack can be amplified or attenuated by up to 15dB while Sustain can be amplified or attenuated by up to 24 dB. This Analog Code® plugin is based on SPL’s original analog Transient Designer, which established the revolutionary concept for level-independent dynamics processing.

Working with the Transient Designer is very simple and yet the possibilities for studio and live applications are seemingly endless.

Thanks to the level-independent processing, setting a threshold is not necessary. Other common controls of dynamic processing such as ratio and time-based parameters are automated and optimized adaptively in a very musical way.

The Analog Code®
During listening tests of this technology, a hardware developer remarked that SPL had “cracked the Analog Code!” and in the process, coined the name of SPL’s software product line.

SPL hardware products can be found in the world’s most renowned facilities, and have become a staple for audio professionals ranging from home studio owners to top mastering engineers. With the growth of computer based audio systems, the need for the SPL sound in plugin form has also grown. With Analog Code® plugins, that coveted SPL sound is now available right inside your DAW.

Download the fully functional 14-day demo today to hear for yourself! (No dongle required!)


  • SPL-modeled plugin version of the original analog Transient Designer
  • Increase or decrease the impact and punch of percussive sources
  • Reduces or increases room sound or preexisting reverb on virtually any source
  • Great gate substitute, minimizes mic bleed in seconds
  • An essential mix tool endorsed by the world’s finest professional engineers
  • Four Settings buttons allow you to quickly store and compare four different settings
  • Mouse Wheel control of parameters

Audio Examples


  • Morgan Page
    Morgan Page

    SPL Transient Designer is a really useful tool for shaping the attack of my drums and synths - probably the best transient shaper out there.


Supported Plugin Formats
AAX DSP, AAX Native, AU, AudioSuite, RTAS, TDM, Venue 32-bit, VST2, VST3

Supported Operating Systems
Mac OS X 10.6 through OSX 10.10*
Windows 7 or 8**
Pro Tools 9 or higher or any VST/VST3/AU-compatible host running on a supported operating system

Intel CPU only (minimum 2 GHz recommended)
*We do not currently support OS X El Capitan

Intel-compatible CPU with SSE2 instruction set (Pentium 4 compatible or higher; minimum 2 GHz recommended)
** We do not currently support Windows 10

System Requirements
Display resolution: 1440 × 900px or 1280 × 960px or higher
Memory: 2 GB RAM